. if you, you know, we all know from eric schmidt's quote, if all the information was created from 2003, this is more or less what we produced yesterday and today, over the past couple of days. there's another way, data i heard recently from singapore a few weeks ago was, well, big data is also -- you cannot put it in an excel spread sheet. but this big data has big consequences in cities, and that's what i would like to talk to you about today. call it big urban data. now, our cities over the past few years have been layered with many different types of digital information. and because of that the way we understand them and the way we can respond to them, we believe, is changing dramatically. we can collect a lot of information from our cities, and then we can process the information and respond to that information. i rust wanted to make an example of -- i just wanted to make an example of something that is happening like formula one. if you think about formula one 10, 15 years ago, if you wanted to win a race, you needed a good car and a good driver. you needed physical, solid things.